diff --git a/apollo-adminservice/src/main/resources/bootstrap.yml b/apollo-adminservice/src/main/resources/bootstrap.yml
index b04fd2a5cc6624e3a55de681282d60b4a3f176c2..b61175175fb1d35bbd781829a067ad2a6a27a617 100644
--- a/apollo-adminservice/src/main/resources/bootstrap.yml
+++ b/apollo-adminservice/src/main/resources/bootstrap.yml
@@ -1,15 +1,9 @@
 eureka:
   instance:
     hostname: ${hostname:localhost}
+    preferIpAddress: true
   client:
     serviceUrl:
       defaultZone: http://${eureka.instance.hostname}:8080/eureka/
     healthcheck:
       enabled: true
-      
-ctrip:
-  eureka:
-    dev: ${ctrip_eureka_dev}
-    fat: ${ctrip_eureka_fat}
-    uat: ${ctrip_eureka_uat}
-    pro: ${ctrip_eureka_pro}
\ No newline at end of file
diff --git a/apollo-biz/src/main/java/com/ctrip/apollo/biz/utils/ReleaseKeyGenerator.java b/apollo-biz/src/main/java/com/ctrip/apollo/biz/utils/ReleaseKeyGenerator.java
index 95f7e6a5b0008654e4e9794d337ba73b0feb1a09..3f9b3edab1ebefdb6b6dd8b38c8f10577dcc4ed7 100644
--- a/apollo-biz/src/main/java/com/ctrip/apollo/biz/utils/ReleaseKeyGenerator.java
+++ b/apollo-biz/src/main/java/com/ctrip/apollo/biz/utils/ReleaseKeyGenerator.java
@@ -6,6 +6,7 @@ import com.ctrip.apollo.biz.entity.Namespace;
 import com.ctrip.apollo.core.utils.ByteUtil;
 import com.ctrip.apollo.core.utils.MachineUtil;
 
+import java.security.SecureRandom;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -17,7 +18,7 @@ import java.util.concurrent.atomic.AtomicInteger;
  */
 public class ReleaseKeyGenerator {
   private static final DateFormat TIMESTAMP_FORMAT = new SimpleDateFormat("yyyyMMddHHmmss");
-  private static final AtomicInteger releaseCounter = new AtomicInteger();
+  private static final AtomicInteger releaseCounter = new AtomicInteger(new SecureRandom().nextInt());
   private static final Joiner KEY_JOINER = Joiner.on("-");
 
   /**
diff --git a/apollo-configservice/src/main/resources/bootstrap.yml b/apollo-configservice/src/main/resources/bootstrap.yml
index effd5190721a32dc32e8bee1375896d4129e02f5..b61175175fb1d35bbd781829a067ad2a6a27a617 100644
--- a/apollo-configservice/src/main/resources/bootstrap.yml
+++ b/apollo-configservice/src/main/resources/bootstrap.yml
@@ -7,10 +7,3 @@ eureka:
       defaultZone: http://${eureka.instance.hostname}:8080/eureka/
     healthcheck:
       enabled: true
-      
-ctrip:
-  eureka:
-    dev: ${ctrip_eureka_dev}
-    fat: ${ctrip_eureka_fat}
-    uat: ${ctrip_eureka_uat}
-    pro: ${ctrip_eureka_pro}
\ No newline at end of file